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Bauer India Installs Large Diameter Piles for a 4-Lane Flyover
Ranchi is the capital of the Indian state of Jharkhand in eastern India. With over 1 million inhabitants, the city is also known as the “City of Lakes and Waterfalls” due to numerous waterfalls located in the close vicinity of the city. The steady growth in population increases demands on the development of its infrastructure. A 4-lane flyover is being constructed to deal with the high volume of heavy traffic to the rail station in Ranchi and prevent congestion. In the future, the flyover will also cross existing railway lines and waterways. What makes this project unique is its execution as a cable-stayed bridge structure. As part of the project, BAUER Engineering India Pvt. Ltd., a subsidiary of BAUER Spezialtiefbau GmbH, was commissioned with the installation of the required piles by the Transportation Infrastructure division of Larsen & Toubro Limited. Bauer India started work in October 2022. During the first phase of the project, Bauer installed a total of 50 piles with a diameter of 2,000 mm, the largest monopiles ever installed in India by BAUER Engineering India Private Ltd. In the second phase, 100 piles with a diameter of 1,200 mm were installed. All piles are installed with 4 m of hard rock socketing, and total pile lengths range from 15 m to 22 m. While a BAUER BG 40 is being used for the 2,000 mm diameter piles, the 1,200 mm diameter piles are being drilled using a BG 28 and BG 26, among others. A major challenge during this project was posed by the logistics. There is a high volume of traffic all around the construction site, and the piles are located right in the middle of the road. Roadblocks extended out up to 9 m and majorly restricted the movement of the drilling rigs and cranes. Extreme caution was required from the very beginning due to the ambient conditions. The works were expected to be completed by the end of April 2023. BAUER Spezialtiefbau GmbH, the original parent company of the BAUER Group, has been a major driving force in the development of specialist foundation engineering. It carries out all of the customary processes of foundation engineering, primarily for excavation pits, foundations, cut-off walls and ground improvements on a worldwide basis. In doing so, BAUER Spezialtiefbau GmbH works closely together with their over 50 subsidiaries and branches across the globe. Regional networks around the world allow for the quick and flexible application of machines, teams and expertise. Bauer Spezialtiefbau offers their customers individual, creative and economical specialist foundation engineering solutions for demanding construction projects, from planning through to execution.
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